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памо си даншса:1) The cost price of 24 articles is the selling price of 15 articles. Find the gain percentage. |
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Answer» Let cost price of one article be x.So cost price of 15 articles will be 15*x=15x. Cost price of 24 articles=selling price of 15 articles. So selling price of 15 articles= 24*x=24x.Cost price of 15 articles=15x.Gain= 24x-15x= 9x.So gain%= gain/CP ×100.= 9x/15x *100 . = 3/5 ×100 . = 3×20=60%. |
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